Dihalogentriphenylphosphoranes in Heterocyclic Synthesis; 15.<sup>1</sup>A Simple One-Pot-Procedure for the Generation of Nitrilimines with the Aid of Dihalogentriphenyl-phosphoranes: 1,3-Dipolar Cycloadditions and 1,5-Electrocyclizations
作者:Heinrich Wamhoff、Magdy Zahran
DOI:10.1055/s-1987-28108
日期:——
A simple and versatile one-pot procedure for the in situ generation of nitrilimines from N-acyl hydrazines is described. 1,3-Dipolar cycloadditions and 1,5-electrocyclic ring closures are carried out. Unsymmetrically substituted dipolarophiles show typical regioselectivity.